2018592020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{512333}}^1$

素因数の和:512539

約数の個数: 24

約数和(自身を含む): 4260569544

約数和(自身を除く): 2241977524

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 512333, 1024666, 2049332, 2561665, 5123330, 10246660, 100929601, 201859202, 403718404, 504648005, 1009296010, 2018592020]

約数ペア:

[(1, 2018592020), (2, 1009296010), (4, 504648005), (5, 403718404), (10, 201859202), (20, 100929601), (197, 10246660), (394, 5123330), (788, 2561665), (985, 2049332), (1970, 1024666), (3940, 512333)]